package cn.wolfcode.service.impl;

import cn.wolfcode.domain.Role;
import cn.wolfcode.mapper.RoleMapper;
import cn.wolfcode.qo.QueryObject;
import cn.wolfcode.service.IRoleService;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;

@Service
@Transactional
public class RoleServiceImpl implements IRoleService {

    @Autowired
    private RoleMapper roleMapper;

    @Override
    public void delete(Long id) {

        roleMapper.deleteByPrimaryKey(id);

    }

    @Override
    public void save(Role role, Long[] ids) {

        roleMapper.insert(role);
        

        if (ids!=null&&ids.length>0){

            for (Long permissionId : ids) {

                roleMapper.insertRelation(role.getId(), permissionId);
            }
        }
    }

    @Override
    public Role get(Long id) {
        return roleMapper.selectByPrimaryKey(id);
    }

    @Override
    public List<Role> listALL() {
        return roleMapper.selectAll();
    }

    @Override
    public void update(Role role,Long[] ids) {

        roleMapper.updateByPrimaryKey(role);

        roleMapper.deleteRelation(role.getId());


        if (ids!=null&&ids.length>0){

            for (Long permissionId : ids) {

                roleMapper.insertRelation(role.getId(), permissionId);
            }
        }
    }

    @Override
    public List<String> selectSnByEmId(Long employeeId) {
        return roleMapper.selectSnByEmId(employeeId);
    }


    @Override
    public PageInfo<Role> query(QueryObject qo) {

       /* int count = roleMapper.selectForCount(qo);
        if (count == 0){

            return new PageResult<>(qo.getCurrentPage(),qo.getPageSize() , Collections.emptyList(), count);

        }

        //获取总页数
        int totalPage = count % qo.getPageSize() == 0
                ? count / qo.getPageSize() : count / qo.getPageSize() + 1;
        //判断当前页是否大于总页数,如果是,把总页数作为当前页来查询分页结果集

        if (qo.getCurrentPage() > totalPage){

            qo.setCurrentPage(totalPage);
        }*/

        PageHelper.startPage(qo.getCurrentPage(),qo.getPageSize());

        List<Role> roles = roleMapper.selectForList(qo);

        return new PageInfo<>(roles);

    }


}
